Which phrase describes the charges and numbers of protons and electrons in an atom?

Regents Chemistry Exam January 2025 Question 2

2. Which phrase describes the charges and numbers of protons and electrons in an atom?

(1) have opposite charges and are equal in number

(2) have opposite charges and are unequal in number

(3) have the same charge and are equal in number

(4) have the same charge and are unequal in number

Solution:

Protons are positive charged while electrons are negatively charged. An atom is neutral and has an equal number of protons and electrons. Choice 1 is the correct answer.

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